Changing street tires on my e-bike (EKX X-21)

Got new street tires for Aliexpress for my e-bike and on this video I change them explaining what I do and why. Tire size is 20x4 and this bike is EKX X-21 e-bike from Alibaba.
I am no expert and I have really poor tools to do it. So if you have more experience and advice, then do leave a comment. Also if you have questions do ask and I try to explain more.